The Quarterly journal of the Geological Society of London . eccia there areisolated patches of still coherentbeds from a few feet to a fewyards in diameter. Occasionallyin these crags, as also in sec-tions elsewhere, there may beseen a distinct U- or V-shapedarrangement of the grit-frag- Vol. 51.] CRUSH-CONGLOMERATES OP THE ISLE OF MAN. 575 merits (see fig. 10), which I take to be an indication of sharp folding ofthe crush-material. I noticed also a few instances wherein a well-defined inclusion was itself composed of breccia, of a texture andtint different from that of its matrix, as though p
The Quarterly journal of the Geological Society of London . eccia there areisolated patches of still coherentbeds from a few feet to a fewyards in diameter. Occasionallyin these crags, as also in sec-tions elsewhere, there may beseen a distinct U- or V-shapedarrangement of the grit-frag- Vol. 51.] CRUSH-CONGLOMERATES OP THE ISLE OF MAN. 575 merits (see fig. 10), which I take to be an indication of sharp folding ofthe crush-material. I noticed also a few instances wherein a well-defined inclusion was itself composed of breccia, of a texture andtint different from that of its matrix, as though portions of a massalready reduced to the state of Fig. 10.—Part of a crag in Sulby Glen (100 yardscrush - conglo - north of Limekiln, Glen Mooar, 6-inch map). merate had (Length^about6 feet.) been again bro- -^ E ken up. At thenorth - westernmargin of thezone, where thecontorted flagsbegin to re-sume their con-tinuity, thereare some nar-row strips of thedisrupted rockinterbeddedwith compara-tively unbro-ken bands, asthough thebrecciation hadcommenced and. ff^i
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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology
